3 papers
physics.acc-ph2025
LLRF System Analysis for the Fermilab PIP-II Superconducting LINAC
P. Varghese, S. Raman, M. Guran +4
PIP-II is a superconducting linac that is in the initial acceleration chain for the Fermilab accelerator complex. The RF system consists of a warm front-end with an RFQ and buncher…
physics.acc-ph2025
Testing the DAE LLRF system with a PIP-II SSR2 Cavity
R. Nasery, P. Varghese, S. Raman +3
The PIP-II linac is an international collaboration project with in kind contributions of key subsystems from multiple countries including India (DAE). In the research and developme…
physics.acc-ph2025
Compensating for Amplifier Non-Linearity in a SEL Controller
S. Raman, P. Varghese, L. Reyes +4
The Self-Excited Loop (SEL) architecture, used in some continuous-wave (CW) superconducting linacs, relies on a positive feedback mechanism that requires carefully defined operatin…